DATAMATH CALCULATOR MUSEUM
Texas Instruments TI-1796SV
|Date of introduction:||1999||Display technology:||LCD|
|New price:||Display size:||10|
|Size:|| 5.2" x 4.3"
132 x 109 x 24 mm3
|Weight:||3.2 ounces, 92 grams||Serial No:|
|Batteries:||LR54 (30µA)||Date of manufacture:||mth 02 year 1999|
|AC-Adapter:||Origin of manufacture:||China (G)|
|Precision:||10||Integrated circuits:||Sharp LI31692R|
|Program steps:||Courtesy of:||Joerg Woerner|
TI-1796SV looks great - you won't find any right angle in the design. Curious
about the SV designation? It is the abbreviation of SuperViewTM which
implies the perfect size and contrast of the LC-Display. Compare it with its
Dismantling this TI-1796SV manufactured in February 1999 by Kinpo Electronics in China reveals a clean design centered around a Sharp LI31692R single-chip calculator circuit in a conventional Quad Flat Pack (QFP) housing and soldered on a double-sided printed circuit board (PCB). The electronics is powered by 4 small solar cells and a LR54 (LR1130) backup battery.
Inspecting the PCBs of the TI-1796SV calculators brought our attention to two small marks reading 796T-10-2. We spotted a very similar PCB-Mark already with a TI-5018SV and started compiling a list of the PCB-Marks on calculators manufactured by OEMs for Texas Instruments.
Don't miss the TI-1795SV and its twin TI-7350SV with only 8 digits display in an identical housing.
A similar shaped housing was used with the €-1796
in the same year. Don't miss the rare prototype of
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© Joerg Woerner, May 2, 2003. No reprints without written permission.